Answer:
0.72
Explanation:
if 760=1
550=x
=550÷760= 0.72 in two s.f
This will be highly depended on the case,
for example, when hydrogen attached to electromotive atom, we call it hydrogen bonding.
if the electrons in two atoms make them temporary dipole, we called it london dispersion forces, etc
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Answer:
You have to know what the three sates of matter are
Explanation:
The lack of a number preceding the carbon symbol C and the compound formula CO2 shows that there is one carbon atom and one carbon dioxide molecule. Subscript numbers in chemical formulas represent the number of atoms or molecules immediately preceding the subscript.
Answer:
4.226×10^8
Explanation:
4.2 ×10^8+2.6×10^6=422600000
or 4.226×10^8